Influenza Positive Tests Reported to CDC by
U.S. Clinical Laboratories
2021-2022 Season
Week Total A Total B Percent Positive A Percent Positive B Total # Tested % Positive
20214038280.070.05496270.13
20214123310.040.06461320.11
20214226380.050.07484440.13
20214398330.190.06515490.25
202144123360.210.06565700.28
202145310360.490.05625130.55
202146685450.950.06719531.01
2021471263411.790.05704431.85
2021482360672.80.07840872.88
2021493850493.990.05963204.04
2021506511606.150.051057426.21
2021516863765.630.061216905.7
20215256661073.990.071418304.07
2022013373612.270.041482142.31
2022022412611.910.041261591.96
2022031503401.880.05796671.93